dmraybourn dmraybourn

14-11-2017
Mathematics

contestada

3x+4y=43 find the value of y when x equals 9

Respuesta :

21sberman 21sberman

14-11-2017

To start take the equation and then plug in 9 for x
3x+4y=43
3(9)+4y=43
27+4y=43
Subtract 27 from each side to get all of the y's by themselves
27+4y-27=43-27
4y=16
Divide by four to get the value of one y
4y/4=16/4
y=4

Answer Link

vanita22patelprince1 vanita22patelprince1

14-11-2017

4=y or y=4 because substitute x which is 9 and do the inverse all operation until y is left.

Answer Link

Otras preguntas

Where did Roman gladiators square off for combat against other gladiators or against wild beasts? A. the Colosseum B. the Pantheon C. the Forum D. the Circ

There was only 5/12 of a pizza left. Carl then ate 1/6 of the remaining pizza. How much of the pizza was left?

Which prefix, when added to the root -cept-, creates a word meaning “to take or leave out”? oc- ex- op- ir-

the florida panther has an average height of 30 inches it is 20 inches taller than the northern mockingbird. write and solve an equation to find the average hei

The greatest common factor of 11 and 44

Please help. Three children put their money together to buy their parents a gift. Together they have $91. If the state sales tax is 5%, what is the maximum amou

What are two places in the Pacific ocean where major battles occurred?

Write the decimal as a fraction or a mixed number in simplest form. 3.58

does 4(2x-5) equal 8x-5 or 8x-20? explain

How does the lock and key mechanism relate to hormones